Geo 4.1 -4.3

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15 Terms

1
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Rotation 90

(-b,a)

2
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Rotation 180

(-a,-b)

3
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Rotation 270

(b,-a)

4
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What does a vector look like?

<>

5
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Vector rule

(x,y) = (x+a, y+b)

6
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Reflection over the x - axis

(a,-b)

7
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Reflection over the y - axis

(-a,b)

8
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Reflection over the y=x

(b,a)

9
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Reflection over the y=-x

(-b,-a)

10
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What is translation 

Moving the shape based on adding a subtracting off the X and Y.

11
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Durring translation where do you start.

At the already existing point

12
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What is componat form

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13
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What do you do durring reflection?

Find the line and count however many spaces there are from the point to the line.

14
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What is reflection

Reversing a shape over a line.

15
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When you turn what way do you turn?

Counter clock wise